mypros+
Error code reference

Bosch Range Error Code F13

Bad EEPROM Identification/Checksum error

Bosch codesBosch range codes

Bad EEPROM Identification/Checksum error — internal error in the control module, sometimes caused by power surges or line voltage fluctuations.

First step from the service manual

Disconnect power, wait 30 seconds and reapply power. If fault returns upon power-up, replace control module.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

MyPros+ Max

Get the full diagnostic procedure for F13.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What F13 means on a Bosch range

The F13 error code on a Bosch range indicates a bad EEPROM identification or checksum error within the electronic control module. The EEPROM (Electrically Erasable Programmable Read-Only Memory) is a small chip integrated into the control board that stores critical configuration data, calibration values, and operational parameters for the range. When the control module performs a self-check and finds that the data stored in the EEPROM does not match the expected checksum or identification signature, it flags the F13 fault to indicate internal data corruption or integrity failure.

This type of error is most frequently caused by power surges, voltage spikes, or fluctuations on the supply line. A sudden surge can corrupt the data written to the EEPROM, causing the checksum verification to fail on the next power cycle. In some cases, a momentary brownout or unstable power condition during a write operation can leave the memory in a partially corrupted state, which the control board cannot recover from on its own.

The first diagnostic step is to disconnect power to the range for at least 30 seconds, then reapply power. This allows the control module to reinitialize and attempt to reload stored values. If the F13 fault returns immediately upon power-up, the EEPROM data corruption is persistent and the control module itself must be replaced. A soft reset will not repair physically corrupted memory, and no field-level repair of the EEPROM chip is practical outside of component-level board rework.

Source: manufacturer service documentation.

Common causes of F13

  1. 01

    Power surge or voltage spike

    Wiring / connection

    A sudden surge on the electrical supply line can corrupt the data stored in the control board's EEPROM, causing the checksum to fail on restart. Check whether the error appeared after a storm, utility event, or other power disturbance.

  2. 02

    Persistent EEPROM data corruption

    Part replacement

    If a soft reset does not clear the F13 code and it returns immediately after power is restored, the EEPROM memory has been permanently corrupted and cannot self-recover. Replacement of the control module is required.

  3. 03

    Brownout or unstable line voltage

    Wiring / connection

    Low or fluctuating voltage conditions, especially during a write cycle, can leave EEPROM data in a partially corrupted state that triggers a checksum mismatch. Recurring F13 faults without obvious surge events may point to ongoing line voltage instability.

  4. 04

    Failed or aging control module

    Part replacement

    Over time, the EEPROM chip or supporting circuitry on the control board can degrade and produce identification or checksum errors without any external power event. This is more common on older units and typically requires control module replacement.

See the test procedure for each cause

Frequently asked questions about F13

What does F13 mean on a Bosch range?
F13 on a Bosch range indicates a bad EEPROM identification or checksum error inside the electronic control module. The control board runs a self-check on its internal memory and flags F13 when the stored data does not pass integrity verification. This is an internal control board fault, most commonly triggered by power surges or line voltage fluctuations. It does not indicate a problem with the heating elements, burners, or sensors.
Can I fix the F13 error on my Bosch range myself?
The first step you can take yourself is to disconnect the range from power for at least 30 seconds and then restore power. If the F13 code clears and does not return, no further action is needed. If the code comes back immediately after the reset, the control module has persistent memory corruption and will need to be physically replaced, which is a more involved repair requiring access to the control board.
Will resetting the range clear the F13 code?
A power reset, disconnecting the range for 30 seconds and reapplying power, will clear the F13 code if the memory corruption was temporary, such as from a one-time voltage spike. However, if the EEPROM data is permanently corrupted, the fault will return as soon as the control board completes its startup self-check. A recurring F13 after multiple resets confirms that the control module needs replacement.
Is it safe to use my Bosch range while the F13 code is active?
An active F13 code means the control module has detected an internal fault and may not be operating with its correct calibration or configuration data. Using the range in this condition is not recommended, as the control board's ability to reliably manage oven temperature, safety shutoffs, or burner operation could be compromised. It is best to resolve the fault before continuing regular use.
How much does it cost to fix a Bosch range F13 error?
If the error clears with a simple power reset, there is no parts cost involved. If the control module requires replacement, parts alone typically range from around $150 to $400 or more depending on the specific model, with professional labor adding additional cost. Getting a quote from an authorized service technician before proceeding is a good idea, as total repair costs on some models may approach the cost of replacement.

Related Bosch range codes

All Bosch range codes
View all 72 Bosch range codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass